MSR Guardian Purifier Bruksanvisning
                    MSR
                    
                    Vattenfilter
                    
                    Guardian Purifier
                
                                
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Filter 
Cartridge 
O-Ring
Filter Base 
O-Ring MO U N TA I N   SA F E T Y E S E A RC H  R
  INSTRUCTION 
MANUAL  
GUARDIAN™ PURIFIER
MO U N TA I N   SA F E T Y E S E A R C H  R
  Fo r product  info rmati on and ser vice co ntact
    C a s c a d e   Desi g ns,   I nc.
    40 00   F ir s t  A v e n u e  S o u t h ,  S ea t t le ,   WA  9 8 1 34  U S A
    1 - 8 00 - 5 31 - 9 53 1  o r  2 06 - 5 05 - 9 5 0 0
    w w w. m s r g e a r. c o m
    i n f o@ c a s ca d e d es ig n s . c o m  
  Cascade Designs, Inc.  
    4000 First Avenue South, Seattle, WA 98134 USA
    1-800-531-9531 or 206-505-9500  
  Cascade Designs, Ltd.  
    Dwyer Road, Midleton, County Cork, Ireland
    (+353) 21-4621400
    www.msrgear.com  
  Printed on recycled paper containing 30% post-consumer waste.   33-787_EN
  TROUBLESHOOTING  
  SPECIFICATIONS  
  RECYCLED | RECYCLABLE  
  IMPORTANT  
Read and understand this entire manual carefully before assembling or using this 
water purifier. Keep this manual for future reference. If you do not understand this 
manual or have any questions, please call Cascade Designs at
 1-800-531-9531.  
  WARNING  
BIOLOGICAL HAZARD
There are hazards associated with backcountry or international travel and 
the use of water purifiers. Drinking untreated water can result in exposure to 
harmful microorganisms and an increased risk of gastrointestinal illness. 
Using this purifier improperly increases your risk of exposure to harmful 
microorganisms and increases your risk of gastrointestinal illness. Reduce your 
chances of becoming sick by following the warnings and instructions in this 
manual and educating yourself on backcountry and international water safety.
YOU ARE RESPONSIBLE FOR YOUR OWN SAFETY AND THE SAFETY 
OF THOSE IN YOUR GROUP. PLEASE USE GOOD JUDGMENT.
Never use the Guardian purifier to filter seawater or chemically contaminated 
water, such as water from mining tailing ponds or near agricultural operations. 
The Guardian purifier does not make potable water from these sources 
and does not remove chemicals and radioactive materials, 
or particles smaller than 0.02 microns.
Keep the Inlet Hose and other potentially contaminated parts away 
from purified water to prevent cross contamination.
READ, UNDERSTAND, AND FOLLOW ALL instructions and warnings 
in this manual before using this purifier. Failure to follow warnings and 
instructions may result in gastrointestinal illness.
LIMITED WARRANTY/LIMITATIONS 
OF REMEDIES AND LIABILITY
Limited Warranty. Cascade Designs, Inc. (“Cascade”), to the original owner 
(“Owner”), under intended use and maintenance, warrants the enclosed 
product (“Product”) to be free from defects in materials and workmanship.  
No warranty against defects in materials and workmanship applies if Product is: (i) altered 
in any way; (ii) used for purposes inconsistent with Product’s intended purpose or design; 
or (iii) improperly maintained. Warranty is furthermore voided where Owner: (i) fails to 
follow Product instructions or warnings; or (ii) subjects Product to misuse, abuse, or neglect.
Product parts determined by Cascade to be defective in materials or workmanship will be 
repaired or replaced as Owner’s sole remedy. Cascade reserves the right to replace any 
discontinued product with a new product of comparable value and function. A returned 
product deemed irreparable becomes the property of Cascade and will not be returned.
EXCLUDING  THE  LIMITED  WARRANTY  PROVIDED  ABOVE,  CASCADE,  ITS  AFFILIATES 
AND  THEIR  SUPPLIERS,  TO  THE  MAXIMUM  EXTENT  PERMITTED  BY  LAW,  MAKE  NO 
WARRANTIES,  EXPRESSED  OR  IMPLIED,  AND  DISCLAIM  ALL  WARRANTIES,  DUTIES 
AND CONDITIONS, WHETHER EXPRESSED, IMPLIED, OR STATUTORY, WITH RESPECT 
TO THE PRODUCT, INCLUDING WITHOUT LIMITATION ANY IMPLIED WARRANTIES OF 
MERCHANTABILITY, AGAINST LATENT DEFECTS, FITNESS FOR A PARTICULAR PURPOSE, 
OR CORRESPONDENCE TO DESCRIPTION.
Warranty  Service.  To  obtain  service  under  this  warranty,  the  warranty-eligible  Product 
must be  presented  to a  Cascade  authorized dealer.  In  the  United  States and Canada, 
warranty  service  may  also  be  obtained  by  calling  1.800.531.9531  [M-F,  8:00-4:30, 
PDT]. Owner is responsible for all costs associated with returning Product to Cascade for 
service. Where, at its sole discretion, Cascade deems Product eligible for warranty repair 
or replacement,  Cascade will pay the  shipping  and handling  associated with returning 
repaired or replaced Product to Owner. In instances where Cascade deems a  returned 
product  ineligible  for  warranty  service,  Cascade  will,  if  possible,  repair  product  for  a 
reasonable charge that includes return shipping and handling.
Limitation of Remedies. Should a court of competent jurisdiction find the limited warranty 
breached,  Cascade’s  only  obligation  will  be  to,  at  its  option,  either  repair  or  replace 
Product.  Should the aforementioned remedy fail of its essential purpose, Cascade will, in 
exchange for return of Product, refund to Owner Product’s original purchase price. THE 
FOREGOING  REMEDY  IS  THE  SOLE  AND  EXCLUSIVE  REMEDY  OF  THE  PURCHASER 
AGAINST CASCADE, ITS AFFILIATES, AND THEIR SUPPLIERS, REGARDLESS OF LEGAL 
THEORY.
Limitation  of Liability. Cascade’s,  its affiliates’, and their suppliers’ maximum  liability  is 
limited to incidental damages not to exceed the original purchase price of the Product. 
CASCADE,  ITS  AFFILIATES  AND  THEIR  SUPPLIERS  HEREBY  DISCLAIM  AND  EXCLUDE 
ANY LIABILITY FOR ANY CONSEQUENTIAL OR OTHER DAMAGES RESULTING FROM 
ANY  REASON  WHATSOEVER.  THIS  EXCLUSION  AND  LIMITATION  APPLIES  TO  ALL 
LEGAL THEORIES UNDER WHICH DAMAGES MAY BE SOUGHT, AND WILL APPLY EVEN 
IF ANY REMEDY FAILS OF ITS ESSENTIAL PURPOSE.
This limited warranty gives you specific legal rights; you may have additional rights which 
vary state to state.
Always completely follow safety, use, operation, and maintenance instructions for this or 
any other Cascade product.
European Union customer statutory rights are not affected.
To keep your Guardian Purifier performing reliably for many years, service 
your purifier using the Annual Maintenance Kit, available at msrgear.com.
STORAGE 
Before storage, pump out any excess water and attach the Clean Side Cover. 
DO NOT A dry cartridge will not  disassemble and dry the Filter Cartridge. 
work properly. (Please contact MSR customer service if you suspect your filter 
has dried out.)
Towel dry the outside of the pump. Gently rub off any debris from the Prefilter 
and rinse it with fresh water.
Before or after long-term storage, sterilize the purifier to ensure fresh-tasting 
water (see “Sterilizing the Purifier”).
STERILIZING THE PURIFIER
When to sterilize: Sterilize the Purifier before and/or after long-term storage to 
ensure long life and fresh-tasting water. Also sterilize it before any disassembly.
      1. Mix a solution of 2 mL (~1/2 tsp) of household bleach (free of dyes or perfumes)
with 2 L of water, or dissolve 12 MSR Aquatabs® tablets in 2 L of water.
2. Pump most of this solution through the purifier, stopping before air can 
enter the pump.
3. Wait 30 minutes. 
4. Pump 1-2 liters of clean water to clear any remaining solution from pump.
5. Pump the Handle to purge excess water from the Purifier.  
PURIFIER CARE   AND MAINTENANCE   HOW IT WORKS
The Guardian Purifier’s Hollow Fiber Filter removes pathogens and other 
particles through  . This is the most reliable means size exclusion purification
of purification because the fibers’ pores physically block pathogens, 
including viruses. Pressure forces clean water through the walls of these 
fibers. The microbes and dirt left behind are pumped out through the 
Dirty Water Outlet Hose. 
Other purifiers rely on chemicals or UV light to kill pathogens, or adsorption 
(such as carbon) to attract them. While these methods can be effective in clear 
water, the Guardian Purifier is reliably effective in all water types – clear, 
turbid, tea colored or muddy.
The Guardian Purifier also uses a patent-pending system to self-clean with 
every stroke. It does not require in-field cleaning to maintain flow.
REPLACING THE FILTER 
CARTRIDGE
The Guardian Purifier’s Hollow Fiber Filter 
has been tested to over 10,000 liters. 
When to replace: The Filter Cartridge 
should be replaced when the flow rate 
drops to less than 1L /min. when pumping 
70 strokes per minute. The filter is still 
purifying water, but more wear occurs on 
internal parts as the flow rate drops. 
  DISASSEMBLY 
      1. Unthread the Filter Base from Pump 
Housing.
    ASSEMBLY
1. Lightly lubricate the Filter Cartridge
  O-ring and Filter Base O-ring.
3. Thread the Filter Base into the Pump
  Housing. Don’t over tighten.
 The Filter Base is designed to stop 
  rotating when it’s fully threaded.  
Disassembling the Purifier can expose you to contaminated parts, resulting 
in sickness. MSR recommends sterilizing the Purifier before any disassembly. 
If you cannot sterilize the Purifier, wash your hands   after disassembly. thoroughly
  WARNING  
  ENG  
  Problem     Cause     Solution  
Decreased/no water flow, 
or hard to pump
Clogged Prefilter  Rinse/Clean Prefilter
Clogged Filter Replace Filter Cartridge (See 
Replacing Filter)
Hose kinked Straighten hose
  Limp Handle (  PULL   stroke)   Damaged Cup Seal Inspect and lube Cup Seal; 
replace if necessary. (See 
Pump Head Maintenance)
  Limp Handle (  PUSH   stroke)   Piston End Nut leaks Clean Piston End Nut, End Nut 
O-ring and Piston O-ring. (See 
Pump Head Maintenance)
Damaged or loose 
Umbrella Valve
Clean Umbrella Valve; replace 
if necessary. (See Pump Head 
Maintenance)
Lots of water exiting Dirty 
Water Outlet Hose with little 
water exiting Clean Water Port
Pressure Relief Valve (PRV) 
is contaminated
Clean Relief Valve Assembly; 
replace O-ring if necessary. 
(See Relief Valve Area 
Maintenance)
Clogged Filter Replace Filter Cartridge
  Kit Contents     Guardian™ Purifier
Instruction Manual
Storage Sack  
  Weight     17.3 oz. / 490 g  
  Dimensions   8.2   x 4.7 in. / 21 x 12 cm  
  Flow Rate     2.5 liters per minute  
  Hollow Fiber 
Filter     Up to 10,000+ liters (depends on water conditions)  
  Patents     U.S. patent pending  
Produktspecifikationer
| Varumärke: | MSR | 
| Kategori: | Vattenfilter | 
| Modell: | Guardian Purifier | 
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